Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Light-induced emergent phenomena in 2D materials and topological materials

C Bao, P Tang, D Sun, S Zhou - Nature Reviews Physics, 2022 - nature.com
Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

Intelligent infrared sensing enabled by tunable moiré quantum geometry

C Ma, S Yuan, P Cheung, K Watanabe, T Taniguchi… - Nature, 2022 - nature.com
Quantum geometric properties of Bloch wave functions in solids, that is, Berry curvature and
the quantum metric, are known to significantly influence the ground-and excited-state …

Polarization-sensitive optoionic membranes from chiral plasmonic nanoparticles

J Cai, W Zhang, L Xu, C Hao, W Ma, M Sun… - Nature …, 2022 - nature.com
Optoelectronic effects differentiating absorption of right and left circularly polarized photons
in thin films of chiral materials are typically prohibitively small for their direct photocurrent …

Towards properties on demand in quantum materials

DN Basov, RD Averitt, D Hsieh - Nature materials, 2017 - nature.com
The past decade has witnessed an explosion in the field of quantum materials, headlined by
the predictions and discoveries of novel Landau-symmetry-broken phases in correlated …

Photocurrent as a multiphysics diagnostic of quantum materials

Q Ma, R Krishna Kumar, SY Xu, FHL Koppens… - Nature Reviews …, 2023 - nature.com
The photoexcitation life cycle from incident photon (and creation of photoexcited electron–
hole pair) to ultimate extraction of electrical current is a complex multiphysics process …

Weyl, Dirac and high-fold chiral fermions in topological quantum matter

MZ Hasan, G Chang, I Belopolski, G Bian… - Nature Reviews …, 2021 - nature.com
Quantum materials hosting Weyl fermions have opened a new era of research in condensed
matter physics. First proposed in 1929 in the context of particle physics, Weyl fermions have …

Light–valley interactions in 2D semiconductors

KF Mak, D **ao, J Shan - Nature Photonics, 2018 - nature.com
The emergence of two-dimensional Dirac materials, particularly transition metal
dichalcogenides (TMDs), has reinvigorated interest in valleytronics, which utilizes the …

Helicity-dependent photocurrents in the chiral Weyl semimetal RhSi

D Rees, K Manna, B Lu, T Morimoto, H Borrmann… - Science …, 2020 - science.org
Weyl semimetals are crystals in which electron bands cross at isolated points in momentum
space. Associated with each crossing point (or Weyl node) is a topological invariant known …

Geometric deep optical sensing

S Yuan, C Ma, E Fetaya, T Mueller, D Naveh, F Zhang… - Science, 2023 - science.org
Geometry, an ancient yet vibrant branch of mathematics, has important and far-reaching
impacts on various disciplines such as art, science, and engineering. Here, we introduce an …